针对磁流体的光学磁光特性, 着重介绍了常见的5种类型的光纤磁场传感器, 包括基于干涉机理的光纤磁场传感器、基于光纤光栅结构的光纤磁场传感器、基于倏逝波机理的光纤磁场传感器、基于表面等离子体共振机理的光纤磁场传感器和基于光子带隙效应机理的光纤磁场传感器,分别分析了各种磁流体光纤磁场传感器的技术性能, 并指出其技术难点, 最后展望了磁流体光纤磁场传感器的研究方向。

According to the optical and magneto-optical characteristics of magnetic fluid, five kinds of common fiber magnetic field sensors are introduced, including fiber magnetic field sensor based on interference mechanism, fiber magnetic field sensor based on fiber grating structure, fiber magnetic field sensor based on evanescent wave mechanism, fiber magnetic field sensor based on surface plasmon resonance mechanism field sensor and fiber magnetic field sensor based on photonic band gap effect mechanism, various technical performances of magnetic fluid fiber magnetic field sensor are analyzed, and the technical difficulties are pointed out. Finally, the research direction of magnetic fluid fiber magnetic field sensor is prospected.